Solar flares on September 13, 2023
The most powerful solar flare in 24 hours
C5.5 (normal) flare - September 13 at 4:10 AM
Solar activity index
Value as of the end of the day on September 13, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 12, 2023 to September 13, 2023
Time zone — UTC-04 (Richmond) — summer time
List of solar flares for September 13, 2023
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 13:55 | 14:04 | 14:10 | 3423 |
| C1.2 | 12:36 | 12:41 | 12:45 | 3423 |
| C1.8 | 11:08 | 11:17 | 11:21 | 3429 |
| C1.9 | 10:55 | 11:02 | 11:08 | 3429 |
| C5.5 | 04:04 | 04:10 | 04:17 | 3423 |